/Engine/Source/Runtime/AIModule/Classes/BehaviorTree/BTNode.h
Called on creating subtree to set up memory and instancing
void InitializeInSubtree ( [UBehaviorTreeComponent](API\Runtime\AIModule\BehaviorTree\UBehaviorTreeComponent) & OwnerComp, uint8 * NodeMemory, int32 & NextInstancedIndex, [EBTMemoryInit::Type](API\Runtime\AIModule\BehaviorTree\EBTMemoryInit__Type) InitType ) const